MarkWhittington writes: "NASA engineers at the Marshall Spaceflight Center in Huntsville, Ala., are building a mockup of what appears to be a deep space habitat, though it could also be part of an interplanetary spacecraft. The purpose is to do human factors studies to find out how to sustain astronauts on lengthy deep space missions."
Nothing is faster than the speed of light ...
To prove this to yourself, try opening the refrigerator door before the
light comes on.